<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>"> 
<meta charset="UTF-8">
<meta name="renderer" content="webkit">
<meta name="keywords" content="HTML, CSS, XML, XHTML, JavaScript">
<meta name="description" content="Free Web tutorials on HTML and CSS">
<meta name="author" content="hy">
<title>login</title>
</head>
<body>
<form action="login_login" method="post">
账号：<input type="text" name="username"></br>
密码：<input type="password" name="password"></br>
<input type="submit" value="提交">
</form>
</body>
</html>